1. Starting Out With Java 5 Control Structures to Objects By Tony Gaddis Copyright © 2005 Pearson Addison- Wesley. All rights reserved. Chapter 1 Slide #1 Program Development Process Text editor Source code (.java) Saves Java statements Java compiler Is read by Byte code (.class) Produces Java Virtual Machine Is interpreted by Program Execution Results in

2. Starting Out With Java 5 Control Structures to Objects By Tony Gaddis Copyright © 2005 Pearson Addison- Wesley. All rights reserved. Chapter 1 Slide #2 Traditional Compilers Compiler for Windows Source code file Compiler for Linux Compiler for Macintosh Compiler for Unix Compilers are expensive to build.

3. Starting Out With Java 5 Control Structures to Objects By Tony Gaddis Copyright © 2005 Pearson Addison- Wesley. All rights reserved. Chapter 1 Slide #3 Portability Java Virtual Machine for Windows Byte code (.class) Java Virtual Machine for Linux Java Virtual Machine for Macintosh Java Virtual Machine for Unix Source code (.java) CompilationInterpreters are relatively small programs.